Q: Good Filter

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Readers' Answers (3)

I have 5 tanks in my house, and all have the Marineland Penguin filters of different sizes. They last for years, the filters are cheap and easy to find, and they also have a bio-wheel to promote good bacterial growth. They hang on the outside, so it doesn't take up all the space in the tank, and they are nice and quiet. Hope this helps :)